Speaker



FIG. 1 is a top perspective view of a speaker showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is another side view thereof;

FIG. 4 is yet another side view thereof;

FIG. 5 is still yet another side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a bottom perspective view thereof.

The broken lines in the drawings depict portions of the speaker that form no part of the claimed design. 

CLAIM The ornamental design for a speaker, as shown and described. 